[Kowalsky]

PHP Code:

----------------------------------------------
CRASH: Fri Mar 18 00:01:44 EET 2016
Start Line: ./hlds_linux ...
[New LWP 7636]
[New LWP 7641]
[New LWP 7647]
[New LWP 7649]
[New LWP 7639]
[New LWP 7645]
[New LWP 7648]
[New LWP 11247]
No symbol table info available.
End of crash report
----------------------------------------------
----------------------------------------------
CRASH: Fri Mar 18 01:43:52 EET 2016
Start Line: ./hlds_linux ...
[New LWP 11256]
[New LWP 11259]
[New LWP 11265]
[New LWP 11316]
[New LWP 11267]
[New LWP 11261]
No symbol table info available.
End of crash report
----------------------------------------------
----------------------------------------------
CRASH: Fri Mar 18 02:59:39 EET 2016
Start Line: ./hlds_linux ...
[New LWP 11325]
[New LWP 11330]
[New LWP 11334]
[New LWP 11338]
[New LWP 11328]
[New LWP 11381]
No symbol table info available.
End of crash report
----------------------------------------------
----------------------------------------------
CRASH: Fri Mar 18 05:38:42 EET 2016
Start Line: ./hlds_linux ...
[New LWP 11390]
[New LWP 11399]
[New LWP 11395]
[New LWP 11421]
[New LWP 11393]
[New LWP 11547]
No symbol table info available.
End of crash report
----------------------------------------------
----------------------------------------------
CRASH: Fri Mar 18 14:29:59 EET 2016
Start Line: ./hlds_linux ...
[New LWP 11390]
[New LWP 11399]
[New LWP 11395]
[New LWP 11421]
[New LWP 11393]
[New LWP 11547]
No symbol table info available.
End of crash report
---------------------------------------------- 


How can I determine what caused my server to crash at that time? What is that?